diff --git a/arch/arm/mach-rmobile/Kconfig b/arch/arm/mach-rmobile/Kconfig
index 921153a..1ef7d68 100644
--- a/arch/arm/mach-rmobile/Kconfig
+++ b/arch/arm/mach-rmobile/Kconfig
@@ -40,6 +40,10 @@
 	imply SPL_USE_TINY_PRINTF
 	imply SPL_YMODEM_SUPPORT
 
+config RCAR_GEN4
+	bool "Renesas ARM SoCs R-Car Gen4 (64bit)"
+	select RCAR_64
+
 config RZA1
 	prompt "Renesas ARM SoCs RZ/A1 (32bit)"
 	select CPU_V7A